8,-7,-5,-3,3,5,7,8 find the mean step by step

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old